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US Patent: 2,362,941
Penetrator chuck retainer
Patentee: David F. Sklar (exact or similar names) - Brooklyn, NY USPTO Classifications: 73/85 Tool Categories: metalworking tools : machinist tools : measuring tools : metal hardness testers Assignees: Wilson Mechanical Instrument Co., Inc. - New York, NY Manufacturer: Wilson Mechanical Instrument Co., Inc. - New York, NY Wilson Mechanical Instrument Division, American Chain & Cable Co., Inc. - Bridgeport, CT Witnesses: Unknown	Patent Dates: Applied: Nov. 26, 1943 Granted: Nov. 14, 1944 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Wilson Mechanical Instrument Co.
Description: Improvements to a portion of patent 1,885,972.

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